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Display panel and manufacturing method thereof, alignment method

專利號
US12178085B2
公開日期
2024-12-24
申請人
Chengdu BOE Optoelectronics Technology Co., Ltd.; BOE TECHNOLOGY GROUP CO., LTD.(CN Beijing CN Sichuan)
發(fā)明人
Bo Cheng; Xiangdan Dong; Jun Yan; Fan He; Qi Liu; Hongwei Ma
IPC分類
H10K59/122; H10K50/844; H10K59/12; H10K71/00; H10K77/10
技術領域
layer,alignment,substrate,dam,marks,plate,cover,region,display,epl2
地域: Chengdu

摘要

A display panel includes a display substrate and a cover plate connected through an optical adhesive layer. The display substrate includes a plurality of light emitting elements, a pixel defining layer, and an encapsulation layer; the encapsulation layer includes a first inorganic encapsulation layer, a first organic encapsulation layer, and a second inorganic encapsulation layer; the display panel includes a display region and a frame region including a cutting region and a dam glue region where a dam glue is located; at least one of a plurality of cover plate alignment marks is between the dam glue and the display region and is overlapped with the second inorganic encapsulation layer, and at least one of the plurality of cover plate alignment marks is between the dam glue and the cutting region.

說明書

In order to clearly illustrate the technical solution of the embodiments of the present disclosure, the drawings of the embodiments will be briefly described in the following; it is obvious that the described drawings are only related to some embodiments of the present disclosure and thus are not limitative of the present disclosure.

FIG. 1A is a schematic plan view of a display panel provided by an embodiment of the present disclosure;

FIG. 1B is a schematic diagram of a positional relationship of some structures in a display region of a display panel provided by an embodiment of the present disclosure;

FIG. 1C is a schematic diagram showing the difference between the upper and lower film layers at a cover plate alignment mark and film layers at other positions in a first frame of a display panel provided by an embodiment of the present disclosure;

FIG. 1D is a partial cross-sectional view of a part of structures in a first frame region of the display panel provided by an embodiment of the present disclosure at a line I-I in FIG. 1A;

FIG. 1E is a first partial cross-sectional schematic diagram of a part of structures in a second frame region of the display panel provided by an embodiment of the present disclosure at a line II-II in FIG. 1A;

權利要求

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